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ADD: AWID 50bit demod

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iceman1001 2016-05-13 22:52:25 +02:00
parent 204b708424
commit c5e8b91696
1 changed files with 32 additions and 19 deletions
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51
armsrc/lfops.c
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@ -270,7 +270,7 @@ void AcquireTiType(void)
AT91C_BASE_SSC->SSC_RFMR = SSC_FRAME_MODE_BITS_IN_WORD(32) | AT91C_SSC_MSBF;
AT91C_BASE_SSC->SSC_TCMR = 0;
AT91C_BASE_SSC->SSC_TFMR = 0;
// iceman, FpgaSetupSsc() ?? the code above? can it be replaced?
LED_D_ON();
// modulate antenna
@ -870,7 +870,6 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
size = removeParity(dest, idx+8, 4, 1, 88);
if (size != 66) continue;
// ok valid card found!
// Index map
// 0 10 20 30 40 50 60
@ -880,37 +879,51 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
// 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000
// bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
// |26 bit| |-117--| |-----142------|
//
// 00110010 0 0000011111010000000000000001000100101000100001111 0 00000000
// bbbbbbbb w ffffffffffffffffccccccccccccccccccccccccccccccccc w xxxxxxxx
// |50 bit| |----4000------||-----------2248975-------------|
//
// b = format bit len, o = odd parity of last 3 bits
// f = facility code, c = card number
// w = wiegand parity
// (26 bit format shown)
uint32_t fc = 0;
uint32_t cardnum = 0;
uint32_t code1 = 0;
uint32_t code2 = 0;
uint8_t fmtLen = bytebits_to_byte(dest,8);
if (fmtLen==26){
fc = bytebits_to_byte(dest+9, 8);
cardnum = bytebits_to_byte(dest+17, 16);
code1 = bytebits_to_byte(dest+8,fmtLen);
Dbprintf("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
} else {
cardnum = bytebits_to_byte(dest+8+(fmtLen-17), 16);
if (fmtLen>32){
code1 = bytebits_to_byte(dest+8,fmtLen-32);
code2 = bytebits_to_byte(dest+8+(fmtLen-32),32);
Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
} else{
code1 = bytebits_to_byte(dest+8,fmtLen);
Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
}
switch(fmtLen) {
case 26:
fc = bytebits_to_byte(dest + 9, 8);
cardnum = bytebits_to_byte(dest + 17, 16);
code1 = bytebits_to_byte(dest + 8,fmtLen);
Dbprintf("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
break;
case 50:
fc = bytebits_to_byte(dest + 9, 16);
cardnum = bytebits_to_byte(dest + 25, 32);
code1 = bytebits_to_byte(dest + 8, (fmtLen-32) );
code2 = bytebits_to_byte(dest + 8 + (fmtLen-32), 32);
Dbprintf("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, code2, rawHi2, rawHi, rawLo);
break;
default:
if (fmtLen > 32 ) {
cardnum = bytebits_to_byte(dest+8+(fmtLen-17), 16);
code1 = bytebits_to_byte(dest+8,fmtLen-32);
code2 = bytebits_to_byte(dest+8+(fmtLen-32),32);
Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
} else {
cardnum = bytebits_to_byte(dest+8+(fmtLen-17), 16);
code1 = bytebits_to_byte(dest+8,fmtLen);
Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
}
break;
}
if (findone){
if (ledcontrol) LED_A_OFF();
return;
}
// reset
idx = 0;
WDT_HIT();
}